Pipe clamp



FIG. 1 is a view in perspective of a pipe clamp in accordance with my design.

FIG. 2 is a view in right side elevation thereof.

FIG. 3 is a view in left side elevation thereof.

FIG. 4 is a rear elevation thereof.

FIG. 5 is a front elevation thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing is included for the purpose of illustrating portions of the article and forms no part of the claimed design. 

CLAIM The ornamental design for a pipe clamp, as shown and described. 